AR061783A1 - Estimacion de canal de enlace ascendente usando un canal de senalizacion - Google Patents

Estimacion de canal de enlace ascendente usando un canal de senalizacion

Info

Publication number
AR061783A1
AR061783A1 ARP070101135A ARP070101135A AR061783A1 AR 061783 A1 AR061783 A1 AR 061783A1 AR P070101135 A ARP070101135 A AR P070101135A AR P070101135 A ARP070101135 A AR P070101135A AR 061783 A1 AR061783 A1 AR 061783A1
Authority
AR
Argentina
Prior art keywords
channel
data
subcarriers
pilot
node
Prior art date
Application number
ARP070101135A
Other languages
English (en)
Spanish (es)
Inventor
Hao Xu
Durga Prasad Malladi
Byoung-Hoon Kim
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of AR061783A1 publication Critical patent/AR061783A1/es

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/06—TPC algorithms
    • H04W52/16—Deriving transmission power values from another channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/32—TPC of broadcast or control channels
    • H04W52/325—Power control of control or pilot channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/023—Multiplexing of multicarrier modulation signals, e.g. multi-user orthogonal frequency division multiple access [OFDMA]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
ARP070101135A 2006-03-20 2007-03-20 Estimacion de canal de enlace ascendente usando un canal de senalizacion AR061783A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US78458306P 2006-03-20 2006-03-20

Publications (1)

Publication Number Publication Date
AR061783A1 true AR061783A1 (es) 2008-09-24

Family

ID=38442191

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP070101135A AR061783A1 (es) 2006-03-20 2007-03-20 Estimacion de canal de enlace ascendente usando un canal de senalizacion

Country Status (8)

Country Link
EP (1) EP1997289B1 (enExample)
JP (4) JP2009530992A (enExample)
KR (1) KR100962460B1 (enExample)
CN (2) CN101427537A (enExample)
AR (1) AR061783A1 (enExample)
ES (1) ES2395547T3 (enExample)
TW (1) TWI355819B (enExample)
WO (1) WO2007109679A2 (enExample)

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US8325671B2 (en) 2007-09-06 2012-12-04 Qualcomm Incorporated Methods and apparatus for improved utilization of air link resources in a wireless communications system including a multi-antenna element base station
US7924803B2 (en) * 2007-11-09 2011-04-12 Mitsubishi Electric Research Labs, Inc. Antenna selection for mobile stations in OFDMA networks
KR101546641B1 (ko) * 2008-01-02 2015-08-21 인터디지탈 테크날러지 코포레이션 협력적 무선 통신을 위한 방법 및 장치
EP2323275B1 (en) * 2008-09-05 2015-12-02 Alcatel Lucent Method and device for uplink signals transmission in wireless access network
KR101639810B1 (ko) 2009-01-13 2016-07-25 엘지전자 주식회사 무선통신 시스템에서 사운딩 참조신호의 전송방법
TWI508602B (zh) * 2009-04-23 2015-11-11 內數位專利控股公司 在多載波無線通訊中隨機存取方法及裝置
US8462741B2 (en) * 2009-08-04 2013-06-11 Qualcomm Incorporated Uplink power control for multiple transmit antennas
CA2770205C (en) 2009-08-21 2015-11-17 Research In Motion Limited Transmission of information in a wireless communication system
US9814003B2 (en) 2009-11-06 2017-11-07 Blackberry Limited Transmission of information in a wireless communication system
US9474082B2 (en) * 2009-11-09 2016-10-18 Apple Inc. Method and apparatus for co-scheduling transmissions in a wireless network
JP2011188382A (ja) * 2010-03-10 2011-09-22 Nippon Telegr & Teleph Corp <Ntt> 通信方法、通信システム、基地局通信装置、及び端末通信装置
CN102939736B (zh) 2010-04-12 2016-05-25 高通股份有限公司 用于经由共享介质在站之间通信的方法、系统和设备
CN102291834B (zh) * 2010-06-21 2016-08-24 中兴通讯股份有限公司 多输入多输出的资源调度方法和基站
KR101730685B1 (ko) * 2010-06-22 2017-04-27 엘지전자 주식회사 채널 상태 정보 전송 방법 및 장치
CN102882657B (zh) * 2011-07-15 2018-01-23 瑞典爱立信有限公司 用于上行链路秩自适应的方法、设备和系统
CN104888454B (zh) * 2014-03-03 2020-07-24 联想(北京)有限公司 一种数据处理方法及相应电子设备
US9106472B1 (en) * 2014-06-27 2015-08-11 Ibiquity Digital Corporation Channel state information (CSI) estimation and applications for in-band on-channel radio receivers
WO2016015447A1 (zh) * 2014-07-31 2016-02-04 华为技术有限公司 一种传输设备和数据帧的传输方法
US10425901B2 (en) * 2017-06-26 2019-09-24 Qualcomm Incorporated Uplink transmit power control during random access procedures
US12087528B2 (en) 2021-02-01 2024-09-10 Ge Infrastructure Technology Llc Enhanced switchgear monitoring and diagnostics in a protection relay

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FI97502C (fi) * 1994-05-24 1996-12-27 Nokia Telecommunications Oy Menetelmä yhteyden laadun parantamiseksi solukkoradiojärjestelmässä ja tukiasema
CA2214934C (en) * 1996-09-24 2001-10-30 At&T Corp. Method and apparatus for mobile data communication
JP2001352311A (ja) * 2000-06-07 2001-12-21 Mitsubishi Electric Corp 検波方法およびマルチキャリア受信装置
US20020111142A1 (en) * 2000-12-18 2002-08-15 Klimovitch Gleb V. System, apparatus, and method of estimating multiple-input multiple-output wireless channel with compensation for phase noise and frequency offset
US7047016B2 (en) * 2001-05-16 2006-05-16 Qualcomm, Incorporated Method and apparatus for allocating uplink resources in a multiple-input multiple-output (MIMO) communication system
US7269127B2 (en) * 2001-10-04 2007-09-11 Bae Systems Information And Electronic Systems Integration Inc. Preamble structures for single-input, single-output (SISO) and multi-input, multi-output (MIMO) communication systems
JP3796188B2 (ja) * 2002-04-09 2006-07-12 パナソニック モバイルコミュニケーションズ株式会社 Ｏｆｄｍ通信方法およびｏｆｄｍ通信装置
CN100512536C (zh) * 2002-05-09 2009-07-08 诺基亚有限公司 在无线电接入网络中传输功率偏移信号的方法、装置和系统
KR100640470B1 (ko) * 2002-06-29 2006-10-30 삼성전자주식회사 패킷 서비스 통신 시스템에서 전송 안테나 다이버시티방식을 사용하여 데이터를 전송 장치 및 방법
US8208364B2 (en) * 2002-10-25 2012-06-26 Qualcomm Incorporated MIMO system with multiple spatial multiplexing modes
US7986742B2 (en) * 2002-10-25 2011-07-26 Qualcomm Incorporated Pilots for MIMO communication system
US8218609B2 (en) * 2002-10-25 2012-07-10 Qualcomm Incorporated Closed-loop rate control for a multi-channel communication system
JP3717913B2 (ja) * 2002-12-27 2005-11-16 三洋電機株式会社 無線装置
KR100575993B1 (ko) * 2003-08-07 2006-05-02 삼성전자주식회사 다중 송수신 안테나를 사용하는 이동통신 시스템에서 다중사용자를 위한 스케쥴링 방법 및 장치
US7298805B2 (en) * 2003-11-21 2007-11-20 Qualcomm Incorporated Multi-antenna transmission for spatial division multiple access
US7701917B2 (en) * 2004-02-05 2010-04-20 Qualcomm Incorporated Channel estimation for a wireless communication system with multiple parallel data streams
RU2006134653A (ru) * 2004-03-30 2008-04-10 Мацусита Электрик Индастриал Ко. Устройство для базовой станции, устройство для мобильной станции и способ планирования работы канала данных
JP2007537651A (ja) * 2004-05-13 2007-12-20 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Ｍｉｍｏｏｆｄｍ無線ローカルエリアネットワークを実現するための方法及びシステム
CN100359960C (zh) * 2004-06-11 2008-01-02 华为技术有限公司 一种在正交多路频分复用系统中实现信道估计的方法
US7830976B2 (en) * 2004-07-16 2010-11-09 Qualcomm Incorporated Iterative channel and interference estimation with dedicated pilot tones for OFDMA
CN100493060C (zh) * 2004-07-27 2009-05-27 华为技术有限公司 一种通信系统时频资源的分配方法
CN1741412B (zh) * 2004-08-27 2011-06-08 清华大学 无线网络中子信道分配的方法

Also Published As

Publication number Publication date
CN105743554B (zh) 2018-11-09
CN101427537A (zh) 2009-05-06
JP2014099902A (ja) 2014-05-29
KR100962460B1 (ko) 2010-06-14
EP1997289A2 (en) 2008-12-03
CN105743554A (zh) 2016-07-06
JP2009530992A (ja) 2009-08-27
EP1997289B1 (en) 2012-09-12
WO2007109679A3 (en) 2007-12-21
KR20080108553A (ko) 2008-12-15
JP2016054484A (ja) 2016-04-14
JP2012231492A (ja) 2012-11-22
JP5619822B2 (ja) 2014-11-05
ES2395547T3 (es) 2013-02-13
TWI355819B (en) 2012-01-01
JP6181128B2 (ja) 2017-08-16
WO2007109679A2 (en) 2007-09-27
TW200746680A (en) 2007-12-16

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